Rational design of one-dimensional triarylamine-based covalent organic frameworks for perovskite solar cells with improved efficiency and stability
Jun He, Longfei Yuan, Sixiao Gu, Jiaxv Bai, Yaxin Li, Shirong Wang, Dewang Li, Hongli Liu
Abstract
1D COF {[(TPA) 2 (TPB) 1 ] – CN – -I} can modify the interface between perovskite and the hole transporting layer with ammonium terminals and full-triphenylamine backbones. The PSCs realized a 23.58% champion efficiency with enhanced stability.
Topics & Concepts
TriphenylaminePerovskite (structure)ChampionMaterials scienceLayer (electronics)AmmoniumChemical engineeringStability (learning theory)Interface (matter)Covalent organic frameworkOptoelectronicsNanotechnologyComputer scienceChemistryOrganic chemistryComposite materialPorosityEngineeringPolitical scienceMachine learningLawCapillary actionCapillary numberPerovskite Materials and ApplicationsCovalent Organic Framework ApplicationsAdvanced Photocatalysis Techniques